Module: BioTable::Diff

Defined in:
lib/bio-table/diff.rb

Class Method Summary collapse

Class Method Details

.diff_tables(t1, t2, options) ⇒ Object 



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# File 'lib/bio-table/diff.rb', line 8

def self.diff_tables t1, t2, options 
  logger = Bio::Log::LoggerPlus['bio-table']
  columns = Columns::to_list(options[:diff])
  t = Table.new(t1.header)
  l1 = t1.map { |row| columns.map { |i| row.all_fields[i] } }
  l2 = t2.map { |row| columns.map { |i| row.all_fields[i] } }
  logger.warn "Not all selected keys are unique!" if l1.uniq.size != l1.size or l2.uniq.size != l2.size
  diff = l2 - l1
  # create index for table 2
  idx2 = Indexer::create_index(t2,columns)
  diff.each do |values|
    t.push(t2.row_by_columns(columns.zip(values),idx2))
  end
  t
end